Waterfuelcell resonance action discoverd

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Hi folks,

Tests also continue on the wfc part.
The setup is a my 10 tube cell with just a squarewave generator hooked to it.
So, no fancy coils or whatever.
The strange thing is that AFTER the ON pulse, the setup shows a resonance ring of around 13mhz in frequency.
The pulse of the generator is in my case 33.3khz.

Can anyone here confirm the same fenomenon with his or her cell?
Keep all wires short. I ran with 5 Volts and also on 12V. It didnt matter.
I used tapwater. With and without NAOH.

Still the same reaction.
Please your comments on this!

Steve

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which type of power supply did you use?

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which type of power supply did you use?

1 normal stabilized lab powersupply.
0-30V
No rimples. I even added a big cap, but no changes.

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my guess would be that the cap discharges very fast (as you said no coil -> very tiny discharge time (t = C * R)) and charges with reverse polarity, then discharges again until all energy is lost. then it waits for the new pulse and again..
well but that does not make sense either.. there is no resonant coil to exchange energy with ..

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my guess would be that the cap discharges very fast (as you said no coil -> very tiny discharge time (t = C * R)) and charges with reverse polarity, then discharges again until all energy is lost. then it waits for the new pulse and again..
well but that does not make sense either.. there is no resonant coil to exchange energy with ..

I thought that my wires where acting like a coil, but i played with them and no change...

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what type of current probe are you using?

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That looks likE parasitic inductance from your probe stevie .

with this 555 i use it always does that when I use this cheap home-made probe .

When I ise my pro tektronik 10x probe it never does that however .

I am 100% positive that this is due to parasitic inductance , your first pulse is negative voltage after the falling edge  ....

It is also not good for components , I used to fry my cmos when I used my homemade probe . Your problem seems quite severe .

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That looks likE parasitic inductance from your probe stevie .

with this 555 i use it always does that when I use this cheap home-made probe .

When I ise my pro tektronik 10x probe it never does that however .

I am 100% positive that this is due to parasitic inductance , your first pulse is negative voltage after the falling edge  ....

It is also not good for components , I used to fry my cmos when I used my homemade probe . Your problem seems quite severe .

I dont think it is the probe, but i will try 2 other brand probes that i have and see what is happening.

Steve